Finding the Third Proportional to 5,720,874 and 8,482,347

Step by Step Solution

1. Step 1: Write the proportion equation
   5,720,874 : 8,482,347 = 8,482,347 : x
2. Step 2: Convert to fraction form
   5,720,874/8,482,347 = 8,482,347/x
3. Step 3: Cross multiply
   5,720,874x = 8,482,347 × 8,482,347
4. Step 4: Simplify right side
   5,720,874x = 71,950,210,628,409
5. Step 5: Solve for x
   x = 71,950,210,628,409/5,720,874
6. Step 6: Final answer
   x = 12,576,786.45